Atoms
History of atomic scientists
Periodic Table
Elements
Illusion
100
No charge. Found in the nucleus.
What is neutron?
100
Discovered the nucleus. Atom is mostly empty space.
Who is Rutherford?
100
A substance made of only one kind of atom.
What is element?
100
Does not react easily. Full outer shell.
What is noble gas?
100
How many animals do you see in the image?
What are duck and rabbit?
200
Center of the atom. Contains protons and neutrons
What is nucleus?
200
Discovered electrons. Atoms are not solid.
Who is J.J. Thompson?
200
Number of protons in an atom.
What is atomic number?
200
Does not carry heat or electricity.
What is insulator?
200
How many figures can you see in the image below?
What is a young woman and an elderly woman?
300
Positive (+) particle found in the nucleus.
What is proton?
300
Said electrons move in energy levels.
Who is Bohr?
300
A row across the periodic table.
What is period?
300
Has properties of metals and nonmetals.
What is metalloid (semi-metal)?
300
Are the pinwheels moving?
No, the wheels are not turning. It's called Moire effect. It produces interesting and beautiful geometric patterns.
400
The smallest piece of matter. Everything is made of _____.
What is atom(s)?
400
Said atoms are small, hard particles.
Who is Democritus?
400
Rearranged the periodic table by atomic number.
Who is Henry Moseley?
400
Can be bent or flattened.
What is malleable?
400
Take a very close look at the 2 vertical lines. Do you think one line is longer than the other?
What is the same size?
500
The path where electrons move around the nucleus.
What is energy level, shell, or orbit?
500
Said everything is made of atoms. Atoms cannot be created or destroyed.
Who is John Dalton?
500
Created the first periodic table using atomic mass.
Who is Dmitri Mendeleev?
500
Shiny, bendable, conducts heat and electricity.
What is metal?
500
Stare closely at this light bulb for 25 seconds. Then immediately stare at a white wall or sheet of paper. What do you see?
What is glowing light bulb?